—Mary’s score on the test is the highest in her class.
—Really? She have studied very hard.
| A．may | B．ought to | C．must | D．should |
Sarah pretended to be cheerful, ______ nothing about the argument.
| A．says |
| B．said |
| C．to say |
| D．saying |
Recently a survey ______ prices of the same goods in two different supermarkets has caused heated debate among citizens.
| A．compared |
| B．comparing |
| C．compares |
| D．being compared |
It’s no use ______ without taking action.
| A．complain |
| B．complaining |
| C．being complained |
| D．to be complained |
On receiving a phone call from his wife ______ she had a fall, Mr. Gordon immediately rushed home from his office.
| A．says |
| B．said |
| C．saying |
| D．to say |
Look over there—there’s a very long, winding path ______ up to the house.
| A．leading |
| B．leads |
| C．led |
| D．to lead |